Home / 5,169,909.55-7,129,830.72-3,236,346.40

Finding the Fourth Proportional to 5,169,909.55, 7,129,830.72 and 3,236,346.40

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Solution

The fourth proportional to 5,169,909.55, 7,129,830.72 and 3,236,346.40 is: 4,463,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169,909.55 : 7,129,830.72 = 3,236,346.40 : x
  2. Step 2: Convert to fraction form
    5,169,909.55/7,129,830.72 = 3,236,346.40/x
  3. Step 3: Cross multiply
    5,169,909.55x = 7,129,830.72 × 3,236,346.40
  4. Step 4: Simplify right side
    5,169,909.55x = 23,074,601,983,281.41
  5. Step 5: Solve for x
    x = 23,074,601,983,281.41/5,169,909.55
  6. Step 6: Final answer
    x = 4,463,250.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.